Extant: 1 valid subspecies
Camponotus arcuatus Mayr, 1876 PDF: 63 (s.w.) AUSTRALIA. Australasia. AntCat AntWiki HOLTaxonomic history
Wheeler & Wheeler, 1968a PDF: 217 (l.).Combination in Camponotus (Myrmoturba): Forel, 1914a PDF: 266.Combination in Camponotus (Myrmophyma): Emery, 1920b PDF: 257.Worker. HW 0.9 - 1.8; HL 1.1 - 1.7; PW 0.9 - 1.3. Black to very dark brown; glossy; finely reticulate; long erect setae on all surfaces sparse, <10 on mesosoma, white flat-lying short overall, distinct on scapes and on tibiae; frontal carinae wide. Major worker. Head sides widest behind eyes, nearly straight, tapering to front; vertex straight; anterior clypeal margin concave between 2 teeth. Minor worker. Head sides nearly straight, tapering to front; vertex convex; HW near PW; anterior clypeal margin broadly convex with a weak central concavity; pronotum margined in front; node columnar, summit convex.